MESON Chess Problem Database

Problem Display
PID: 59300 (K7/3p4/1N4N1/P7/pppk4/1p5Q/n1B5/8 w - - 0 1)

Dimitrov, Nikolai

Source?, 0000

K7/3p4/1N4N1/P7/pppk4/1p5Q/n1B5/8

#4

6 + 7

422 Suomen Tehtavaniekat 1991
1099 WCSC 1991
5396 World Chess Solving Championship 1977-1996 1997

SOLUTION

  • SOUND
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qe3+
          • 2...Kxd5
            • 3.Qe5+
              • 3...Kc6
                • 4.Se7#
      • 1...Kc5
        • 2.Qe3+
          • 2...Kxd5
            • 3.Qe5+
              • 3...Kc6
                • 4.Se7#
          • 2...Kc6
            • 3.Sde7+
              • 3...Kb5
                • 4.Qb6#
              • 3...Kd6
                • 4.Qb6#
                • 4.Qe5#
              • 3...Kc7
                • 4.Qb6#
          • 2...Kd6
            • 3.Sde7
              • threat
                • 4.Qb6#
                • 4.Qe5#
              • 3...Kc7
                • 4.Qb6#
      • 1...Kxd5
        • 2.Qxd7+
          • 2...Kc5
            • 3.Sf4
              • threat
                • 4.Se6#
                • 4.Qd5#
      • 1...c3
        • 2.Qd3+
          • 2...Kc5
            • 3.Sde7
              • threat
                • 4.Qd5#
              • 3...d5
                • 4.Qxd5#
      • 1...b2
        • 2.Qe3+
          • 2...Kxd5
            • 3.Qe5+
              • 3...Kc6
                • 4.Se7#
                • 4.Bxa4#

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